... 3.Elastic sealant Butyl Home Using Butyl Sealant For Primary Sealing 1, it is a one-part, solvent-free, unsulfurized, permanent ... for insulating glass. 2, it keeps plastic and sealing over a wide temperature range and not crack and harden for sealant surface. 3. it ... adhesion to glass,aluminum alloy, zinc plating steel, stainless steel and etc. 4, it could form an excellent humid proof system ...